Datasheet

Technical Reference

2.2.2.3 Power Supply Connectors

The board has the following power supply connectors:

 Main power – A 2 x 12 connector. This connector is compatible with 2 x 10

connectors previously used on Intel

Desktop boards. The board supports the use

of ATX12V power supplies with either 2 x 10 or 2 x 12 main power cables. When

using a power supply with a 2 x 10 main power cable, attach that cable on the

right-most pins of the main power connector, leaving pins 11, 12, 23, and

24 unconnected.

 Processor core power – A 2 x 4 connector. This connector provides power

directly to the processor voltage regulator and must always be used. Failure to do

so prevents the board from booting.

CAUTION

If high power (75 W or greater) add-in cards are installed in either or both the

Secondary PCI Express* x16 and the PCI Express* x4 bus add-in card connectors, you

must use the Auxiliary PCI Express* graphics power connector. Failure to do so may

cause damage to the board and the add-in cards.

Table 16. Processor Core Power Connector

Pin Signal Name Pin Signal Name

1 Ground 2 +12 V

3 Ground 4 +12 V

5 Ground 6 +12 V

7 Ground 8 +12 V